My wife complained that the dometic refrigerator light melted some plastic on a bread wrapper. Thinking this impossible I examined the switch operation on the door. Everything seemed to work properly. I put my phone on video and watched to see if the light actually went out, it didn't. The switch was mounted wrong and the switch arm never closed far enough to turn the light off. If you have unusually fast battery drain......
2014 Shasta 21 CK